@misc{indiciaeaced05076c87,
  title = {A covariance analysis algorithm for interconnected systems},
  author = {Cheng, Victor H. L. and Curley, Robert D. and Lin, Ching-An},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870063273},
  note = {Source identifier: 19870063273}
}